← Back to branch summary

~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/tests/test_ui.py

[merge] fix \t in commit messages

Show diffs side-by-side

added added

removed removed

Lines of Context:
bzrlib/tests/test_ui.py
1
 
# Copyright (C) 2005 Canonical Ltd
2
 
#
3
 
# This program is free software; you can redistribute it and/or modify
4
 
# it under the terms of the GNU General Public License as published by
5
 
# the Free Software Foundation; either version 2 of the License, or
6
 
# (at your option) any later version.
7
 
#
8
 
# This program is distributed in the hope that it will be useful,
9
 
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
 
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11
 
# GNU General Public License for more details.
12
 
#
13
 
# You should have received a copy of the GNU General Public License
14
 
# along with this program; if not, write to the Free Software
15
 
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16
 
 
17
 
"""Tests for the bzrlib ui
18
 
"""
19
 
 
20
 
import os
21
 
from StringIO import StringIO
22
 
import re
23
 
import sys
24
 
 
25
 
import bzrlib
26
 
import bzrlib.errors as errors
27
 
from bzrlib.progress import (
28
 
    DotsProgressBar,
29
 
    ProgressBarStack,
30
 
    TTYProgressBar,
31
 
    )
32
 
from bzrlib.tests import (
33
 
    TestCase,
34
 
    TestUIFactory,
35
 
    StringIOWrapper,
36
 
    )
37
 
from bzrlib.tests.test_progress import _TTYStringIO
38
 
from bzrlib.ui import (
39
 
    CLIUIFactory,
40
 
    SilentUIFactory,
41
 
    )
42
 
from bzrlib.ui.text import TextUIFactory
43
 
 
44
 
 
45
 
class UITests(TestCase):
46
 
 
47
 
    def test_silent_factory(self):
48
 
        ui = SilentUIFactory()
49
 
        stdout = StringIO()
50
 
        self.assertEqual(None,
51
 
                         self.apply_redirected(None, stdout, stdout,
52
 
                                               ui.get_password))
53
 
        self.assertEqual('', stdout.getvalue())
54
 
        self.assertEqual(None,
55
 
                         self.apply_redirected(None, stdout, stdout,
56
 
                                               ui.get_password,
57
 
                                               u'Hello\u1234 %(user)s',
58
 
                                               user=u'some\u1234'))
59
 
        self.assertEqual('', stdout.getvalue())
60
 
 
61
 
    def test_text_factory_ascii_password(self):
62
 
        ui = TestUIFactory(stdin='secret\n', stdout=StringIOWrapper())
63
 
        pb = ui.nested_progress_bar()
64
 
        try:
65
 
            self.assertEqual('secret',
66
 
                             self.apply_redirected(ui.stdin, ui.stdout,
67
 
                                                   ui.stdout,
68
 
                                                   ui.get_password))
69
 
            # ': ' is appended to prompt
70
 
            self.assertEqual(': ', ui.stdout.getvalue())
71
 
            # stdin should be empty
72
 
            self.assertEqual('', ui.stdin.readline())
73
 
        finally:
74
 
            pb.finished()
75
 
 
76
 
    def test_text_factory_utf8_password(self):
77
 
        """Test an utf8 password.
78
 
 
79
 
        We can't predict what encoding users will have for stdin, so we force
80
 
        it to utf8 to test that we transport the password correctly.
81
 
        """
82
 
        ui = TestUIFactory(stdin=u'baz\u1234'.encode('utf8'),
83
 
                           stdout=StringIOWrapper())
84
 
        ui.stdin.encoding = 'utf8'
85
 
        ui.stdout.encoding = ui.stdin.encoding
86
 
        pb = ui.nested_progress_bar()
87
 
        try:
88
 
            password = self.apply_redirected(ui.stdin, ui.stdout, ui.stdout,
89
 
                                             ui.get_password,
90
 
                                             u'Hello \u1234 %(user)s',
91
 
                                             user=u'some\u1234')
92
 
            # We use StringIO objects, we need to decode them
93
 
            self.assertEqual(u'baz\u1234', password.decode('utf8'))
94
 
            self.assertEqual(u'Hello \u1234 some\u1234: ',
95
 
                             ui.stdout.getvalue().decode('utf8'))
96
 
            # stdin should be empty
97
 
            self.assertEqual('', ui.stdin.readline())
98
 
        finally:
99
 
            pb.finished()
100
 
 
101
 
    def test_progress_note(self):
102
 
        stderr = StringIO()
103
 
        stdout = StringIO()
104
 
        ui_factory = TextUIFactory(bar_type=TTYProgressBar)
105
 
        pb = ui_factory.nested_progress_bar()
106
 
        try:
107
 
            pb.to_messages_file = stdout
108
 
            ui_factory._progress_bar_stack.bottom().to_file = stderr
109
 
            result = pb.note('t')
110
 
            self.assertEqual(None, result)
111
 
            self.assertEqual("t\n", stdout.getvalue())
112
 
            # Since there was no update() call, there should be no clear() call
113
 
            self.failIf(re.search(r'^\r {10,}\r$',
114
 
                                  stderr.getvalue()) is not None,
115
 
                        'We cleared the stderr without anything to put there')
116
 
        finally:
117
 
            pb.finished()
118
 
 
119
 
    def test_progress_note_clears(self):
120
 
        stderr = StringIO()
121
 
        stdout = StringIO()
122
 
        # The PQM redirects the output to a file, so it
123
 
        # defaults to creating a Dots progress bar. we
124
 
        # need to force it to believe we are a TTY
125
 
        ui_factory = TextUIFactory(bar_type=TTYProgressBar)
126
 
        pb = ui_factory.nested_progress_bar()
127
 
        try:
128
 
            pb.to_messages_file = stdout
129
 
            ui_factory._progress_bar_stack.bottom().to_file = stderr
130
 
            # Create a progress update that isn't throttled
131
 
            pb.start_time -= 10
132
 
            pb.update('x', 1, 1)
133
 
            result = pb.note('t')
134
 
            self.assertEqual(None, result)
135
 
            self.assertEqual("t\n", stdout.getvalue())
136
 
            # the exact contents will depend on the terminal width and we don't
137
 
            # care about that right now - but you're probably running it on at
138
 
            # least a 10-character wide terminal :)
139
 
            self.assertContainsRe(stderr.getvalue(), r'\r {10,}\r$')
140
 
        finally:
141
 
            pb.finished()
142
 
 
143
 
    def test_progress_nested(self):
144
 
        # test factory based nested and popping.
145
 
        ui = TextUIFactory()
146
 
        pb1 = ui.nested_progress_bar()
147
 
        pb2 = ui.nested_progress_bar()
148
 
        self.assertRaises(errors.MissingProgressBarFinish, pb1.finished)
149
 
        pb2.finished()
150
 
        pb1.finished()
151
 
 
152
 
    def test_progress_stack(self):
153
 
        # test the progress bar stack which the default text factory 
154
 
        # uses.
155
 
        stderr = StringIO()
156
 
        stdout = StringIO()
157
 
        # make a stack, which accepts parameters like a pb.
158
 
        stack = ProgressBarStack(to_file=stderr, to_messages_file=stdout)
159
 
        # but is not one
160
 
        self.assertFalse(getattr(stack, 'note', False))
161
 
        pb1 = stack.get_nested()
162
 
        pb2 = stack.get_nested()
163
 
        self.assertRaises(errors.MissingProgressBarFinish, pb1.finished)
164
 
        pb2.finished()
165
 
        pb1.finished()
166
 
        # the text ui factory never actually removes the stack once its setup.
167
 
        # we need to be able to nest again correctly from here.
168
 
        pb1 = stack.get_nested()
169
 
        pb2 = stack.get_nested()
170
 
        self.assertRaises(errors.MissingProgressBarFinish, pb1.finished)
171
 
        pb2.finished()
172
 
        pb1.finished()
173
 
 
174
 
    def test_text_factory_setting_progress_bar(self):
175
 
        # we should be able to choose the progress bar type used.
176
 
        factory = TextUIFactory(bar_type=DotsProgressBar)
177
 
        bar = factory.nested_progress_bar()
178
 
        bar.finished()
179
 
        self.assertIsInstance(bar, DotsProgressBar)
180
 
 
181
 
    def test_cli_stdin_is_default_stdin(self):
182
 
        factory = CLIUIFactory()
183
 
        self.assertEqual(sys.stdin, factory.stdin)
184
 
 
185
 
    def assert_get_bool_acceptance_of_user_input(self, factory):
186
 
        factory.stdin = StringIO("y\nyes with garbage\n"
187
 
                                 "yes\nn\nnot an answer\n"
188
 
                                 "no\nfoo\n")
189
 
        factory.stdout = StringIO()
190
 
        # there is no output from the base factory
191
 
        self.assertEqual(True, factory.get_boolean(""))
192
 
        self.assertEqual(True, factory.get_boolean(""))
193
 
        self.assertEqual(False, factory.get_boolean(""))
194
 
        self.assertEqual(False, factory.get_boolean(""))
195
 
        self.assertEqual("foo\n", factory.stdin.read())
196
 
        # stdin should be empty
197
 
        self.assertEqual('', factory.stdin.readline())
198
 
 
199
 
    def test_silent_ui_getbool(self):
200
 
        factory = SilentUIFactory()
201
 
        self.assert_get_bool_acceptance_of_user_input(factory)
202
 
 
203
 
    def test_silent_factory_prompts_silently(self):
204
 
        factory = SilentUIFactory()
205
 
        stdout = StringIO()
206
 
        factory.stdin = StringIO("y\n")
207
 
        self.assertEqual(True,
208
 
                         self.apply_redirected(None, stdout, stdout,
209
 
                                               factory.get_boolean, "foo"))
210
 
        self.assertEqual("", stdout.getvalue())
211
 
        # stdin should be empty
212
 
        self.assertEqual('', factory.stdin.readline())
213
 
 
214
 
    def test_text_ui_getbool(self):
215
 
        factory = TextUIFactory()
216
 
        self.assert_get_bool_acceptance_of_user_input(factory)
217
 
 
218
 
    def test_text_factory_prompts_and_clears(self):
219
 
        # a get_boolean call should clear the pb before prompting
220
 
        factory = TextUIFactory(bar_type=DotsProgressBar)
221
 
        factory.stdout = _TTYStringIO()
222
 
        factory.stdin = StringIO("yada\ny\n")
223
 
        pb = self.apply_redirected(factory.stdin, factory.stdout,
224
 
                                   factory.stdout, factory.nested_progress_bar)
225
 
        pb.start_time = None
226
 
        self.apply_redirected(factory.stdin, factory.stdout,
227
 
                              factory.stdout, pb.update, "foo", 0, 1)
228
 
        self.assertEqual(True,
229
 
                         self.apply_redirected(None, factory.stdout,
230
 
                                               factory.stdout,
231
 
                                               factory.get_boolean,
232
 
                                               "what do you want"))
233
 
        output = factory.stdout.getvalue()
234
 
        self.assertEqual("foo: .\n"
235
 
                         "what do you want? [y/n]: what do you want? [y/n]: ",
236
 
                         factory.stdout.getvalue())
237
 
        # stdin should be empty
238
 
        self.assertEqual('', factory.stdin.readline())
239